import re

tel = "+7 499 456-45-78, +74994564578, 7 (499) 456 45 78, 7 (499) 456-45-78 "
res = r'\+*\d{1}\s*\(*\s*\d{3}\s*\)*\s*\d{3}[\s-]*\d{2}[\s-]*\d{2}'
print(re.findall(res, tel))
